diff mbox series

[v8,9/9] EDAC: armada_xp: Add support for more SoCs

Message ID 20190510101536.6724-10-chris.packham@alliedtelesis.co.nz (mailing list archive)
State New, archived
Headers show
Series EDAC drivers for Armada XP L2 and DDR | expand

Commit Message

Chris Packham May 10, 2019, 10:15 a.m. UTC 
The Armada 38x and other integrated SoCs use a reduced pin count so the
width of the SDRAM interface is smaller than the Armada XP SoCs. This
means that the definition of "full" and "half" width is reduced from
64/32 to 32/16.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
---
 drivers/edac/armada_xp_edac.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/edac/armada_xp_edac.c b/drivers/edac/armada_xp_edac.c
index 3759a4fbbdee..7f227bdcbc84 100644
--- a/drivers/edac/armada_xp_edac.c
+++ b/drivers/edac/armada_xp_edac.c
@@ -332,6 +332,11 @@  static int axp_mc_probe(struct platform_device *pdev)
 
 	axp_mc_read_config(mci);
 
+	/* These SoCs have a reduced width bus */
+	if (of_machine_is_compatible("marvell,armada380") ||
+	    of_machine_is_compatible("marvell,armadaxp-98dx3236"))
+		drvdata->width /= 2;
+
 	/* configure SBE threshold */
 	/* it seems that SBEs are not captured otherwise */
 	writel(1 << SDRAM_ERR_CTRL_THR_OFFSET, drvdata->base + SDRAM_ERR_CTRL_REG);